Beyond calculators
Tools
Calculators answer and forget. These remember — trackers and journals that keep your data between visits, stored in your browser by default, synced to an account only if you choose to sign in.
- New
Invoice generator
Professional invoices with tax, discounts, logos and PDF download — free, unlimited, private.
Open - New
Period tracker
Periods, symptoms, mood and water — with fertile-window predictions and phase-aware care tips.
Open - Coming soon
Daily expense tracker
Log spending in seconds and watch the month take shape.
- Coming soon
Habit tracker
Build streaks you can see. Small boxes, big changes.
- Coming soon
Sleep journal
Track bedtimes and wake-ups, and find your real rhythm.
Your data, your rules
Every tool works without an account. Sign in and your data is backed up under explicit consent, never shared, and deletable in one click from your profile.